The 59th parallel south is a circle of latitude that is 59 degrees south of the Earth's equatorial plane. The only landmass on this parallel is Bristol Island.
At this latitude the sun is visible for 18 hours, 30 minutes during the December solstice and 6 hours, 10 minutes during the June solstice.
59th parallel south Wikipedia
Starting at the Prime Meridian and heading eastwards, the parallel 59° south passes through: